Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer at a 0.2 Degree Observation Angle
NORMA vydána dne 1.2.2022
Designation standards: ASTM E1709-16(2022)
Publication date standards: 1.2.2022
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
Keywords:
portable retroreflectometers, retroreflection,, ICS Number Code 17.180.20 (Colours and measurement of light),93.080.30 (Road equipment and installations)